154 tty->print_cr("Shared %s table stats -------- base: " PTR_FORMAT,
155 table_name, (intptr_t)base_address);
156 tty->print_cr("Number of entries : %9d", _num_entries);
157 tty->print_cr("Total bytes used : %9d", table_bytes);
158 tty->print_cr("Average bytes per entry : %9.3f", avg_cost);
159 tty->print_cr("Average bucket size : %9.3f", summary.avg());
160 tty->print_cr("Variance of bucket size : %9.3f", summary.variance());
161 tty->print_cr("Std. dev. of bucket size: %9.3f", summary.sd());
162 tty->print_cr("Empty buckets : %9d", _num_empty_buckets);
163 tty->print_cr("Value_Only buckets : %9d", _num_value_only_buckets);
164 tty->print_cr("Other buckets : %9d", _num_other_buckets);
165 }
166 }
167
168 /////////////////////////////////////////////////////////////
169 //
170 // Customization for dumping Symbol and String tables
171
172 void CompactSymbolTableWriter::add(unsigned int hash, Symbol *symbol) {
173 address base_address = address(MetaspaceShared::shared_rs()->base());
174 uintx max_delta = uintx(MetaspaceShared::shared_rs()->size());
175 assert(max_delta <= MAX_SHARED_DELTA, "range check");
176
177 uintx deltax = address(symbol) - base_address;
178 assert(deltax < max_delta, "range check");
179 u4 delta = u4(deltax);
180
181 CompactHashtableWriter::add(hash, delta);
182 }
183
184 void CompactStringTableWriter::add(unsigned int hash, oop string) {
185 CompactHashtableWriter::add(hash, oopDesc::encode_heap_oop(string));
186 }
187
188 void CompactSymbolTableWriter::dump(CompactHashtable<Symbol*, char> *cht) {
189 CompactHashtableWriter::dump(cht, "symbol");
190 }
191
192 void CompactStringTableWriter::dump(CompactHashtable<oop, char> *cht) {
193 CompactHashtableWriter::dump(cht, "string");
194 }
195
196 /////////////////////////////////////////////////////////////
197 //
198 // The CompactHashtable implementation
|
154 tty->print_cr("Shared %s table stats -------- base: " PTR_FORMAT,
155 table_name, (intptr_t)base_address);
156 tty->print_cr("Number of entries : %9d", _num_entries);
157 tty->print_cr("Total bytes used : %9d", table_bytes);
158 tty->print_cr("Average bytes per entry : %9.3f", avg_cost);
159 tty->print_cr("Average bucket size : %9.3f", summary.avg());
160 tty->print_cr("Variance of bucket size : %9.3f", summary.variance());
161 tty->print_cr("Std. dev. of bucket size: %9.3f", summary.sd());
162 tty->print_cr("Empty buckets : %9d", _num_empty_buckets);
163 tty->print_cr("Value_Only buckets : %9d", _num_value_only_buckets);
164 tty->print_cr("Other buckets : %9d", _num_other_buckets);
165 }
166 }
167
168 /////////////////////////////////////////////////////////////
169 //
170 // Customization for dumping Symbol and String tables
171
172 void CompactSymbolTableWriter::add(unsigned int hash, Symbol *symbol) {
173 address base_address = address(MetaspaceShared::shared_rs()->base());
174
175 uintx deltax = address(symbol) - base_address;
176 // The symbols are in RO space, which is smaler than MAX_SHARED_DELTA.
177 // The assert below is just to be extra cautious.
178 assert(deltax <= MAX_SHARED_DELTA, "the delta is too large to encode");
179 u4 delta = u4(deltax);
180
181 CompactHashtableWriter::add(hash, delta);
182 }
183
184 void CompactStringTableWriter::add(unsigned int hash, oop string) {
185 CompactHashtableWriter::add(hash, oopDesc::encode_heap_oop(string));
186 }
187
188 void CompactSymbolTableWriter::dump(CompactHashtable<Symbol*, char> *cht) {
189 CompactHashtableWriter::dump(cht, "symbol");
190 }
191
192 void CompactStringTableWriter::dump(CompactHashtable<oop, char> *cht) {
193 CompactHashtableWriter::dump(cht, "string");
194 }
195
196 /////////////////////////////////////////////////////////////
197 //
198 // The CompactHashtable implementation
|